Firebase Rules Linter
Analyze Firebase security rules for common vulnerabilities and risky patterns. Get suggestions for improvement.
Tool workspace
IdleRuns locally in your browser. Nothing is uploaded.
Filter the results list.
Choose how findings are ordered.
Shortcut: Cmd/Ctrl+Shift+W.
Rules editor
Firebase security rules
Outputs are best-effort. Review before production use.
Security disclaimer: This linter uses heuristics only. Always review rules manually and run Firebase emulator tests before production.
Process
How it works
Paste Rules
Enter your Firebase security rules
Analyze
Click lint to check for issues
Review & Fix
Address warnings and suggestions
Use Cases
Common use cases
Security auditing before production deployment
Code review for Firebase projects
Learning Firebase security best practices
Quick validation of rule changes
Team security training
Pre-launch security checklist
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